circle.center([center]) If center is specified, sets the circle center to the specified point [longitude
circle.precision([angle]) If precision is specified, sets the circle precision to the specified angle in degrees
path.bounds(object) Returns the projected planar bounding box (typically in pixels) for the specified GeoJSON object
d3.geoTransform(methods) Defines an arbitrary transform using the methods defined on the specified methods object.
identity.reflectY([reflect]) If reflect is specified, sets whether or not the y-dimension is reflected
stream.polygonEnd() Indicates the end of a polygon.
d3.geoInterpolate(a, b) Returns an interpolator function given two points a and b. Each point must
path.projection([projection]) If a projection is specified, sets the current projection to the specified projection
path.pointRadius([radius]) If radius is specified, sets the radius used to display Point and MultiPoint features
identity.reflectX([reflect]) If reflect is specified, sets whether or not the x-dimension is reflected
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